单词forward echelon
na.: 〈美〉【军】先头部队;先遣指挥部网络: 先遣梯队;前梯队
【美军】先头部队;先遣指挥部
〔军〕先遣梯队;前进指挥所
A battalion commander Li Guangshun rate a business as a positive main attack along the roads to begin to pass forward echelon form.
一营长李光顺率一营担任正面主攻,沿公路以梯队形式展开向关口推进。